@misc{cryptoeprint:2013:505,
    author = {Zhengjun Cao and Lihua Liu},
    title = {Improvement of One Anonymous Identity-Based Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2013/505},
    year = {2013},
    url = {https://eprint.iacr.org/2013/505},
}