@ARTICLE{cgUCL-LQY10,
 	AUTHOR={Libert, Benoit and Quisquater, Jean-Jacques and Yung, Moti},
	TITLE={{Key Evolution Systems in Untrusted Update Environments}},
	JOURNAL={ACM Transactions on Information and System Security (TISSEC)},
	VOLUME={13},
	MONTH={12},
	YEAR={2010},
}