@misc{cryptoeprint:2001:101,
    author = {Giuseppe Ateniese and Dawn Song and Gene Tsudik},
    title = {Quasi-Efficient Revocation of Group Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2001/101},
    year = {2001},
    url = {http://eprint.iacr.org/2001/101},
}