@inproceedings{backes04break,
  author       = {Backes, Michael and Hofheinz, Dennis},
  title        = {How to Break and Repair a Universally Composable Signature Functionality},
  booktitle    = {Proceedings of 7th Information Security Conference (ISC)},
  series       = {Lecture Notes in Computer Science},
  volume       = {3225},
  month        = {September},
  year         = {2004},
  publisher    = {Springer},
  pages        = {61-72},
  note         = {Preprint on IACR ePrint 2003/240}
}