@misc{cryptoeprint:2011:433,
    author = {Joël Alwen and Jonathan Katz and Ueli Maurer and Vassilis Zikas},
    title = {Collusion-Preserving Computation},
    howpublished = {Cryptology ePrint Archive, Report 2011/433},
    year = {2011},
    url = {http://eprint.iacr.org/2011/433},
}