%% You should probably cite draft-veillette-core-yang-library instead of this I-D.
@techreport{veillette-core-cool-library-00,
    number =    {draft-veillette-core-cool-library-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-veillette-core-cool-library/00/},
    author =    {Michel Veillette},
    title =     {{Constrained YANG Module Library}},
    pagetotal = 12,
    year =      2016,
    month =     aug,
    day =       23,
    abstract =  {This document describes a library, which provides information about all YANG modules implemented by a CoOL server endpoint. A simple caching mechanism is provided to minimize retrieval of this information by CoOL clients.},
}