@misc{cryptoeprint:2012:136,
    author = {Zilong Wang and Danfeng (Daphne) Yao and Rongquan Feng},
    title = {Adaptive Key Protection in Complex Cryptosystems with Attributes},
    howpublished = {Cryptology ePrint Archive, Report 2012/136},
    year = {2012},
    url = {http://eprint.iacr.org/2012/136},
}