@inproceedings{PopaBB09,
	author = {Popa, Raluca Ada and Balakrishnan, Hari and Blumberg, Andrew J.},
	title = {{VPriv}: {Protecting} privacy in location-based vehicular services},
	booktitle = {Proceedings of the 18th conference on USENIX security symposium},
	series = {SSYM'09},
	year = {2009},
	location = {Montreal, Canada},
	pages = {335--350},
}