I searched online, and the only thing I could come up with was an article she wrote about a year ago. I quickly skimmed through it, and didn't find where she named her father, but she wrote at length about him. He hated Nixon, was apparently bi-polar, and . With both parents having mental disorders, she hasn't got much going for her.
Unfortunately it's from the Huff Po, but here's the link to the article if you want to check it out:
The Mrs read most of it to me. Frankly, it sounds made up. I don’t think either of them have a clue who Bloom’s father is or was.