To do this you must unlock the first 99 stars in domination mode.
You must both win and get enough MT points to be able to beat the point threshold. I made a video against the All-star team where I show you how to do it and score 1021 MT in one game.
Play fast paced, force rebounds, steals, and blocks when you can. Play full court press.
For more of a visual look, check out the video below.