@conference {21657,
	title = {Secure Clustering based SEP using Virtual ECC Group Key for Wireless Sensor Networks},
	booktitle = {International conference on engineering and technology (ICET 2012), Special Session Recent Advances on Sensor and Actor Networks (SANET)},
	year = {2012},
	month = {October, 2012},
	author = {Ahmed E. El-Din and Rabie A. Ramadan and Magda B. Fayek}
}
