@misc{cryptoeprint:2004:313,
    author = {Fuw-Yi Yang, Jinn-Ke Jan, and Woei-Jiunn Jeng},
    title = {Cryptanalysis of a threshold proxy signature with known signers},
    howpublished = {Cryptology ePrint Archive, Report 2004/313},
    year = {2004},
    url = {http://eprint.iacr.org/2004/313},
}