@misc{cryptoeprint:2012:194,
    author = {Albrecht Petzoldt and Stanislav Bulygin and Johannes Buchmann},
    title = {A Multivariate based Threshold Ring Signature Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2012/194},
    year = {2012},
    url = {http://eprint.iacr.org/2012/194},
}