@misc{cryptoeprint:2007:146,
    author = {Bessie C. Hu and Duncan S. Wong and Qiong Huang and Guomin Yang and Xiaotie Deng},
    title = {Time Capsule Signature: Efficient and Provably Secure Constructions},
    howpublished = {Cryptology ePrint Archive, Report 2007/146},
    year = {2007},
    url = {http://eprint.iacr.org/2007/146},
}