If you are unable to locate your financial institution in the list, you can just proceed to enter the information manually.
Open your TurboTax return, search for "1099-r), and then click the "Jump to" link in the search results.
Click "Yes" and "Continue" on the next page, then select the "I'll type it in myself" button at the bottom of the page.
Follow the program's prompts to complete your entry.