Ideally, use a hardware token instead. They implement many different algorithms, so you should be able to find one that does what you need with your bank. See https://www.zdnet.com/article/best-security-keys/ for one good list.

Alternatively, there are TOTP apps you can get for your mobile device. See https://www.nytimes.com/wirecutter/reviews/best-two-factor-a...