@inproceedings{backes05public,
  author       = {Backes, Michael and Cachin, Christian},
  title        = {Public-Key Steganography with Active Attacks},
  booktitle    = {Proceedings of 2nd Theory of Cryptography Conference (TCC)},
  series       = {Lecture Notes in Computer Science},
  volume       = {3378},
  month        = {February},
  year         = {2005},
  publisher    = {Springer},
  pages        = {210-226},
  note         = {Preprint on IACR ePrint 2003/231}
}