%% You should probably cite draft-ietf-trill-yang instead of this I-D.
@techreport{hao-trill-yang-01,
    number =    {draft-hao-trill-yang-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-hao-trill-yang/01/},
    author =    {Hao Weiguo and Liang Xia and Yizhou Li},
    title =     {{TRILL YANG Data Model}},
    pagetotal = 27,
    year =      2014,
    month =     aug,
    day =       31,
    abstract =  {This document presents YANG data model for TRILL protocol {[}RFC6325{]}.},
}