With asbestos, you can't presand the surface to give the paint "grip", so you will have to prime the surface first.
Make sure the tile is absolutely clean, like you would be willing to eat off it.
Then, after talking to the nice men at sherwin williams, or kelly moore, or your favorite PAINT store, (do not go to a big box store, they won't have a clue) you should be able to have a knowledgeable explanation of exactly what you need, and how to do it.
Don't skimp on paint. The cost here is labor, not materials. there is a HUGE difference between $15 a gallon and $25 a gallon. Go with the good stuff so you won't have to do this again in 6 months.