@misc{cryptoeprint:2011:224,
    author = {Xu An Wang and Liqiang Wu and Xiaoyuan Yang and Huaqun Wang},
    title = {Cryptanalysis and Improvement of an Efficient CCA Secure PKE Scheme},
    howpublished = {Cryptology ePrint Archive, Report 2011/224},
    year = {2011},
    url = {http://eprint.iacr.org/2011/224},
}