def METHOD_NAME(project, dataset_base_name):
  """Creates an empty BigQuery dataset.
  Args:
    project: Project to work in.
    dataset_base_name: Prefix for dataset id.
  Returns:
    A ``google.cloud.bigquery.dataset.DatasetReference`` object pointing to the
    new dataset.
  """
  client = bigquery.Client(project=project)
  unique_dataset_name = '%s%d%s' % (
      dataset_base_name, int(time.time()), secrets.token_hex(3))
  dataset_ref = client.dataset(unique_dataset_name, project=project)
  dataset = bigquery.Dataset(dataset_ref)
  client.create_dataset(dataset)
  return dataset_ref