@misc{cryptoeprint:2009:539,
    author = {Yupeng Jiang and Yingpu Deng and Yanbin Pan},
    title = {Covering Radius of Two-dimensional Lattices},
    howpublished = {Cryptology ePrint Archive, Report 2009/539},
    year = {2009},
    url = {http://eprint.iacr.org/2009/539},
}