@misc{cryptoeprint:2009:537,
    author = {Jingguo Bi; Xianmeng Meng and Lidong Han},
    title = {Cryptanalysis of two knapsack public-key cryptosystems},
    howpublished = {Cryptology ePrint Archive, Report 2009/537},
    year = {2009},
    url = {http://eprint.iacr.org/2009/537},
}