@misc{cryptoeprint:2009:154,
    author = {Yasufumi Hashimoto},
    title = {Algorithms to solve massively under-defined systems of multivariate quadratic equations},
    howpublished = {Cryptology ePrint Archive, Report 2009/154},
    year = {2009},
    url = {http://eprint.iacr.org/2009/154},
}