@misc{cryptoeprint:2009:336,
    author = {Mihir Bellare and Shanshan Duan},
    title = {New Definitions and Designs for Anonymous Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2009/336},
    year = {2009},
    url = {http://eprint.iacr.org/2009/336},
}