@book{34054,
	author = {"Mukhopadhyay, Debdeep"},
	title = {Cryptography and Network Security:},
	publisher = {Indian Insitiute of Technology},
	address = {Kharagpur},
	url = {http://video.snu.edu.in/index.php?id=7350&cat=Computer Science and  Engineering&course=Cryptography and Network Security&url=Phase2_Video/106105031/mod01lec18.mp4}
}