%% You should probably cite draft-ietf-v6ops-ula-usage-considerations instead of this I-D.
@techreport{ietf-v6ops-ula-usage-recommendations-03,
    number =    {draft-ietf-v6ops-ula-usage-recommendations-03},
    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-v6ops-ula-usage-recommendations/03/},
    author =    {Bing Liu and Sheng Jiang},
    title =     {{Considerations of Using Unique Local Addresses}},
    pagetotal = 16,
    year =      2014,
    month =     jul,
    day =       4,
    abstract =  {This document provides considerations of how to use ULAs. It analyzes ULA usage scenarios and considers some use cases of ULA addresses as helpful.},
}