Clutch fluid is brake fluid, although you can sometimes find stores that sell bottles labeled clutch fluid. Unless your vehicle calls for a special type which Jeep Wranglers do not, DOT 3 or above will work.
Here is a page to explain it in a lot more detail:
As far as bleeding its a hydraulic throwout bearing set up, here is how I would do it.
1. This is best done as a two man job, one inside the cab pumping the clutch pedal and the other filling the reservoir and bleeding the line.
2. Empty the fluid reservoir, and clean it as best as you can.
3. Fill the reservoir with new fluid, put the cap back on.
4. Go underneath the Jeep and locate the hydraulic clutch throwout bearing bleeder valve.
5. Have your partner pump the clutch till they feel pressure building up (its not an exact science) and hold the pedal all the way to the floor.
6. Release the pressure by loosing the bleeder valve and let the fluid squirt out untill it appears there is no more pressure. Close the bleeder valve. The point of this is to work out any air bubbles by pressurising the line and then releasing the pressure through the bleeder valve.
7. With the clutch pedal still held to the floor (this makes for a tired leg by the way) open the reservoir and refill the fluid that was lost through the line and bleeder valve.
8. Repeat steps 3-7 untill no audible or visible signs of air bubbles or air in the line are noticed when releasing the bleeder valve. Also get confirmation from your pal in the drivers seat that youve accomplished good pressure on the clutch when the pedal is pushed in and out. If not keep repeating the steps listed.
This is the traditional way of bleeding a brake or clutch system, if your good at them you can use a bleeder kit, but I prefer to just make a mess and get it done which by the way be prepared for this to get brake fluid everwhere