@misc{cryptoeprint:2009:553,
    author = {Maria Isabel Gonzalez Vasco and Angel L. Perez del Pozo and Pedro Taborda Duarte},
    title = {Cryptanalysis of a key exchange scheme based on block matrices},
    howpublished = {Cryptology ePrint Archive, Report 2009/553},
    year = {2009},
    url = {http://eprint.iacr.org/2009/553},
}