@misc{cryptoeprint:2006:017,
    author = {Yevgeniy Dodis and Aleksandr Yampolskiy and Moti Yung},
    title = {Threshold and Proactive Pseudo-Random Permutations},
    howpublished = {Cryptology ePrint Archive, Report 2006/017},
    year = {2006},
    url = {http://eprint.iacr.org/2006/017},
}