Place beans in a Dutch oven; add water to cover by 2 in. Bring to a boil; boil for 2 minutes. Remove from the heat; cover and let stand for 1 hour. Drain and discard liquid; return beans to pan. , Add ham bone and 2-1/2 qt. water; bring to a boil. Reduce heat; cover and simmer for 1-1/2 hours. , Debone ham and cut meat into chunks; return to pan. Add celery and carrots. Cover and simmer for 1 hour or until beans are tender. , In a small skillet, saute garlic in butter for 1 minute. Stir in the flour, salt, pepper and paprika. Add cold water; bring to a boil. Reduce heat; cook and stir for 2 minutes or until thickened. Add to the soup with tomatoes; simmer for 10 minutes or until heated through.