@inproceedings{backes03proactive,
  author       = {Backes, Michael and Cachin, Christian and Strobl, Reto},
  title        = {Proactive Secure Message Transmission in Asynchronous Networks},
  booktitle    = {Proceedings of 22nd ACM Symposium on Principles of Distributed Computing (PODC)},
  month        = {July},
  year         = {2003},
  pages        = {223-232}
}