By request, here is a single printable sheet including 72 tiles to make your own Carcassonne Dice as in the picture below:
http://www.boardgamegeek.com/image/681019/carcassonne

You'll need 1 sheet of sticker paper, a printer, 12 one-inch wooden cubes, and a guillotine paper cutter (for best results).

The tiles on the Carcassonne dice that I made match up around each cube except for one. I did not map out which tiles I put on each cube. Think of it as 12 six-piece puzzles, or just stick them on in any order that you'd like.

I have no official rules to play with dice, so you may use them however you'd like. Generally, though, I roll them and try to match them up in a 3x4 grid and then I add together points for all the finished roads and cities. I count the tiles on the side of the cubes that you can see too.