@inproceedings{IACR:conf/asiacrypt2003/TsudikAC03,
  author    = { Gene Tsudik and Shouhuai Xu
               },
  title     = {Accumulating Composites and Improved Group Signing},
  booktitle = {ASIACRYPT)},
  year      = {2003},
  pages     = {269-286},
  ee        = {http://www.iacr.org/archive/asiacrypt2003/06_Session06/16_172/28940254.pdf},
  crossref  = {IACR:conf/asiacrypt2003},
  bibsource = {IACR, http://www.iacr.org}
}

@proceedings{IACR:conf/asiacrypt2003,
  editor    = {Chi-Sung Laih},
  title     = {Advances in Cryptlogy - ASIACRYPT 2003, 
               },
  booktitle = {ASIACRYPT},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {2894},
  year      = {2003},
  isbn      = {3-540-20592-6},
  bibsource = {IACR, http://www.iacr.org}
}