%% You should probably cite draft-ietf-v6ops-ula-usage-recommendations instead of this I-D.
@techreport{liu-v6ops-ula-usage-analysis-05,
    number =    {draft-liu-v6ops-ula-usage-analysis-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-liu-v6ops-ula-usage-analysis/05/},
    author =    {Bing Liu and Brian E. Carpenter and Sheng Jiang and Cameron Byrne},
    title =     {{Guidance of Using Unique Local Addresses}},
    pagetotal = 10,
    year =      2013,
    month =     feb,
    day =       25,
    abstract =  {This document provides guidance of how to use ULA. It analyzes ULA usage scenarios and recommends use cases where ULA address may be beneficially used.},
}