Paper  doi  bibtex   

@inproceedings{bock_offset-compensated_2004,
	title = {An offset-compensated oscillator-based random bit source for security applications},
	url = {http://link.springer.com/chapter/10.1007/978-3-540-28632-5_20},
	doi = {10.1007/978-3-540-28632-5_20},
	urldate = {2015-01-17TZ},
	booktitle = {Cryptographic {Hardware} and {Embedded} {Systems}-{CHES} 2004},
	publisher = {Springer},
	author = {Bock, Holger and Bucci, Marco and Luzzi, Raimondo},
	year = {2004},
	pages = {268--281}
}