@inproceedings{backes05lazy,
  author       = {Backes, Michael and Cachin, Christian and Oprea, Alina},
  title        = {Lazy Revocation in Cryptographic File Systems},
  booktitle    = {Proceedings of 3rd International IEEE Security in Storage Workshop (SISW)},
  month        = {December},
  year         = {2005},
  pages        = {1-11}
}