@misc{cryptoeprint:2005:317,
    author = {Sherman S. M. Chow and Joseph K. Liu and Victor K. Wei and Tsz Hon Yuen},
    title = {Ring Signatures without Random Oracles},
    howpublished = {Cryptology ePrint Archive, Report 2005/317},
    year = {2005},
    url = {http://eprint.iacr.org/2005/317},
}