@InProceedings{ChongM04,
  author =	 {Stephen Chong and Andrew C. Myers},
  title =	 {Security Policies for Downgrading},
  month =	 oct,
  year =	 2004,
  pages =	 {189--209},
  booktitle =	 {Proceedings of the 11th {ACM} Conference on Computer and Communications Security}
}