@misc{cryptoeprint:2004:281,
    author = {Patrick P. Tsang and Victor K. Wei},
    title = {Short Linkable Ring Signatures for E-Voting, E-Cash and Attestation},
    howpublished = {Cryptology ePrint Archive, Report 2004/281},
    year = {2004},
    url = {http://eprint.iacr.org/2004/281},
}