@misc{cryptoeprint:2012:007,
    author = {Qiang Li, Xiangxue Li, Dong Zheng, Kefei Chen},
    title = {Optimal Multiple Assignments with (m,m)-Scheme for General Access Structures},
    howpublished = {Cryptology ePrint Archive, Report 2012/007},
    year = {2012},
    url = {http://eprint.iacr.org/2012/007},
}