@inproceedings{delucaozchi2010,
 author = {De Luca,, Alexander and Frauendienst,, Bernhard and Boring,, Sebastian and Hussmann,, Heinrich},
 title = {My phone is my keypad: privacy-enhanced PIN-entry on public terminals},
 booktitle = {OZCHI '09: Proceedings of the 21st Annual Conference of the Australian Computer-Human Interaction Special Interest Group},
 year = {2009},
 isbn = {978-1-60558-854-4},
 pages = {401--404},
 location = {Melbourne, Australia},
 doi = {http://doi.acm.org/10.1145/1738826.1738909},
 publisher = {ACM},
 address = {New York, NY, USA},
 }