%% You should probably cite rfc6956 instead of this I-D.
@techreport{ietf-forces-lfb-lib-12,
    number =    {draft-ietf-forces-lfb-lib-12},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-forces-lfb-lib/12/},
    author =    {Weiming Wang and Evangelos Haleplidis and Kentaro Ogawa and Chuanhuang Li and Joel M. Halpern},
    title =     {{Forwarding and Control Element Separation (ForCES) Logical Function Block (LFB) Library}},
    pagetotal = 111,
    year =      2013,
    month =     mar,
    day =       28,
    abstract =  {This document defines basic classes of Logical Function Blocks (LFBs) used in Forwarding and Control Element Separation (ForCES). The basic LFB classes are defined according to the ForCES Forwarding Element (FE) model and ForCES protocol specifications; they are scoped to meet requirements of typical router functions and are considered the basic LFB library for ForCES. The library includes the descriptions of the LFBs and the XML definitions.},
}