@misc {IOPORT.70231586,
    author       = {Yu, Haile and Leong, Philip Heng Wai and Xu, Qiang},
    title        = {An FPGA chip identification generator using configurable ring oscillator},
    howpublished = {FPT, 312-315 (2010).},
    year         = {2010},
    doi          = {10.1109/FPT.2010.5681438},
    identifier   = {70231586},
}