@misc{cryptoeprint:2004:215,
    author = {Mihir Bellare and Gregory Neven},
    title = {Transitive Signatures: New Schemes and Proofs},
    howpublished = {Cryptology ePrint Archive, Report 2004/215},
    year = {2004},
    url = {http://eprint.iacr.org/2004/215},
}