{% load rest_framework %}
<div class="form-group {% if field.errors %}has-error{% endif %}">
    {% if field.label %}
        <label {% if style.hide_label %}class="sr-only"{% endif %}>
            {{ field.label }}
        </label>
    {% endif %}

    <select class="form-control" name="{{ field.name }}">
        <option value="" {% if not field.value %}selected{% endif %}>--------</option>
        <option value="True" {% if field.value == True %}selected{% endif %}>True</option>
        <option value="False" {% if field.value == False %}selected{% endif %}>False</option>
    </select>

    {% if field.errors %}
        {% for error in field.errors %}
            <span class="help-block">{{ error }}</span>
        {% endfor %}
    {% endif %}

    {% if field.help_text %}
        <span class="help-block">{{ field.help_text|safe }}</span>
    {% endif %}
</div>