Here are some places where you can look for information about Efficient Permutation Testing:

Homepage
Efficient Permutation Testing has a homepage that can be found at http://pages.cs.wisc.edu/~vamsi/pt_fast.html
Forums
  1. open-discussion: General Discussion
Trackers
  1. Bugs: Bug Tracking System
  2. Support: Tech Support Tracking System
  3. Patches: Patch Tracking System
  4. Feature Requests: Feature Request Tracking System
Wiki
Efficient Permutation Testing has a wiki that can be found here.