@misc{cryptoeprint:2006:281,
    author = {Phillip Rogaway},
    title = {Formalizing Human Ignorance: Collision-Resistant Hashing without the Keys},
    howpublished = {Cryptology ePrint Archive, Report 2006/281},
    year = {2006},
    url = {http://eprint.iacr.org/2006/281},
}